CVE-2016-15042: The Frontend File Manager (versions < 4.0), N-Media Post Front-end Form (versions < 1.1) plugins for WordPress are vulnerable to arbitrary file uploads due to missing file type validation via the `nm_

critical Affects frontend-file-manager (WordPress plugin), post-front-end-form (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Frontend File Manager (versions < 4.0), N-Media Post Front-end Form (versions < 1.1) plugins for WordPress are vulnerable to arbitrary file uploads due to missing file type validation via the `nm_

Package
frontend-file-manager (WordPress plugin) WordPress
Affected versions
<4.0
Fixed in
4.0
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 7% (93.9th percentile)
Published
2024-10-16
Source
nvd

References

The Frontend File Manager (versions < 4.0), N-Media Post Front-end Form (versions < 1.1) plugins for WordPress are vulnerable to arbitrary file uploads due to missing file type validation via the `nm_

Package
post-front-end-form (WordPress plugin) WordPress
Affected versions
<1.1
Fixed in
1.1
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 7% (93.9th percentile)
Published
2024-10-16
Source
nvd

References

CWE-434
NVD recordfrontend-file-manager (WordPress plugin) advisoriespost-front-end-form (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories